1242102344 has 16 divisors (see below), whose sum is σ = 2661648000. Its totient is φ = 532329552.

The previous prime is 1242102341. The next prime is 1242102349. The reversal of 1242102344 is 4432012421.

It is not an unprimeable number, because it can be changed into a prime (1242102341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11090144 + ... + 11090255.

It is an arithmetic number, because the mean of its divisors is an integer number (166353000).

Almost surely, 2^1242102344 is an apocalyptic number.

1242102344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1242102344 is an abundant number, since it is smaller than the sum of its proper divisors (1419545656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242102344 is a wasteful number, since it uses less digits than its factorization.

1242102344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22180412 (or 22180408 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1242102344 is about 35243.4723601407. The cubic root of 1242102344 is about 1074.9438857315.

Adding to 1242102344 its reverse (4432012421), we get a palindrome (5674114765).

The spelling of 1242102344 in words is "one billion, two hundred forty-two million, one hundred two thousand, three hundred forty-four".